Karbonn KX4i vs JMAX Boost

Comparing the Karbonn KX4i vs JMAX Boost across display and battery to help determine the better smartphone.

Here is the summary of the results:

Display: Karbonn KX4i offers a screen size of 1.8 inches, while JMAX Boost offers 1.4 inches, making Karbonn KX4i the larger display of the two. Both Karbonn KX4i and JMAX Boost feature the same TFT display.

Battery: Karbonn KX4i offers a higher battery capacity with 800 mAh, while JMAX Boost offers 1150 mAh, making Karbonn KX4i better for longer battery life.

Karbonn KX4i

₹1,040

(Out of Stock)

JMAX Boost

₹899

(Out of Stock)

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Show Only Differences

Summary

Release Date

22 Sep, 2020

22 Sep, 2025

Performance

N/A

32 MB RAM

Display

1.8 inches (4.57 cm)	1.4 inches (3.56 cm)
TFT	TFT
128x160 px	128x240 px

Rear Camera

N/A	0.3 MP Primary Camera

Battery

800 mAh	1150 mAh
No Wireless Charging	N/A

Storage

N/A

32 MB

User Ratings

3.7/5

(78 ratings)

N/A

User Feedback

General

Launch Date

Sep 22, 2020

(Official)

Sep 22, 2025

(Official)

Performance

RAM

N/A

32 MB

Display

Display Type

TFT

Screen Size

1.8 inches (4.57 cm)

1.4 inches (3.56 cm)

Resolution

128x160 px

128x240 px

Pixel Density

114 ppi

194 ppi

Rear Camera

Resolution

N/A	0.3 MP Primary Camera

Flash

N/A

Image Resolution

N/A	640 x 480 Pixels

Battery

Capacity

800 mAh

1150 mAh

Battery Type

Li-ion

N/A

Storage

Internal Storage

N/A

32 MB

Expandable Storage

Yes Up to 32 GB

Yes Up to 16 GB

Network & Connectivity

SIM Slot(s)

Dual SIM

Network Support

5G Not Supported

Bluetooth

Yes

Multimedia

Audio Jack

3.5 mm

Video Player

Yes Video Formats: 3GP

N/A

Ring Tone

Polyphonic ringtones Vibration

Music

Yes Music Formats: MP3

Special Features

Torch Light

N/A

Sensors

Games

Yes

Browser

Yes WAP

N/A

Phone Book

Yes Limited

Other Facilities

Calculator Calendar Alarm

Alarm Calculator Calendar Timer